Autofocus the Search field

So on page load a user can immediately start typing a search without having to manually navigate to it. Also a big bonus for accessibility

src/Ombi/ClientApp/src/app/my-nav/nav-search.component.html

@@ -1,5 +1,5 @@
 <form [formGroup]='searchForm'>
     <mat-form-field floatLabel="never" style="width: 100%;">
-        <input id="nav-search" matInput placeholder="{{'NavigationBar.Search' | translate}}"  formControlName='input'>
+        <input id="nav-search"  autofocus="autofocus" matInput placeholder="{{'NavigationBar.Search' | translate}}"  formControlName='input'>
     </mat-form-field>
 </form>